[Mesa-dev] [Bug 106774] GLSL IR copy propagates loads of SSBOs

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Jun 5 22:08:31 UTC 2018


--- Comment #3 from Ian Romanick <idr at freedesktop.org> ---
(In reply to Ilia Mirkin from comment #2)
> Are you sure that's illegal? I'd imagine that you'd need that variable to be
> marked as coherent, or to introduce a compiler barrier somehow.

Legality isn't really relevant.  The shader source contains one instance of a
very, very expensive operation, and we decide to do it four times.  That's

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